.wd-page{--wd-ink:#191c17;--wd-muted:#73796b;--wd-line:#e4e8dd;--wd-paper:#f7f8f4;max-width:900px;font-family:var(--font-sans);color:var(--wd-ink);margin:0 auto;padding:8px 0 40px;font-size:14px;line-height:1.6}.wd-page button,.wd-page input{font:inherit}.wd-page button{cursor:pointer}.wd-page button:disabled{opacity:.5;cursor:default}.wd-label{letter-spacing:.12em;color:var(--wd-muted);font-size:10px;font-weight:650}.wd-page-heading h1{font:600 30px/1.25 var(--font-sans);letter-spacing:-1px;margin-top:7px}.wd-nav{border-bottom:1px solid var(--wd-line);gap:30px;margin:24px 0 30px;display:flex;overflow-x:auto}.wd-nav a{color:var(--wd-muted);white-space:nowrap;border-bottom:2px solid #0000;padding-bottom:12px;font-size:12px;text-decoration:none}.wd-nav a[aria-current=page]{color:var(--wd-ink);border-color:var(--wd-ink);font-weight:600}.wd-page h2{font:600 21px/1.4 var(--font-sans);letter-spacing:-.5px}.wd-library-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;display:flex}.wd-library-heading p,.wd-muted{color:var(--wd-muted);margin-top:7px;font-size:12px}.wd-button{border:1px solid var(--wd-line);min-height:42px;color:var(--wd-ink);white-space:nowrap;background:#fff;border-radius:7px;justify-content:center;align-items:center;gap:20px;padding:10px 15px;font-weight:550;text-decoration:none;display:inline-flex;font-size:12px!important}.wd-button:hover{background:var(--wd-paper);border-color:#bcc7ae}.wd-dark{color:#fff;background:#23271e;border-color:#23271e}.wd-dark:hover{color:#fff;background:#3a4430}.wd-library-tools{justify-content:space-between;align-items:center;gap:15px;margin:0 0 15px;display:flex}.wd-filters{flex-wrap:wrap;gap:5px;display:flex}.wd-filters button{color:var(--wd-muted);background:0 0;border:0;border-radius:6px;padding:8px 12px;font-size:11px}.wd-filters button[aria-pressed=true]{color:var(--wd-ink);background:#eef1e7;font-weight:600}.wd-search{max-width:230px;position:relative}.wd-search input{border:1px solid var(--wd-line);background:#fff;border-radius:7px;width:100%;min-height:36px;padding:8px 30px 8px 12px;font-size:11px}.wd-search button{color:var(--wd-muted);background:0 0;border:0;font-size:18px;position:absolute;top:5px;right:9px}.wd-word-list{border-top:1px solid var(--wd-line)}.wd-word-row{border-bottom:1px solid var(--wd-line);color:inherit;grid-template-columns:minmax(140px,1fr) minmax(100px,1fr) minmax(100px,1fr) 20px;align-items:center;gap:24px;padding:22px 14px;text-decoration:none;display:grid}.wd-word-row:hover{background:var(--wd-paper)}.wd-word-row>span:first-child{font:25px var(--font-jp)}.wd-list-meaning{font-size:12px}.wd-list-meaning small{color:var(--wd-muted);margin-top:4px;font-size:10px;display:block}.wd-rule-tag{color:var(--wd-muted);font-size:10px}.wd-word-row>span:last-child{color:#87927b}.wd-back{color:#66735b;margin-bottom:28px;font-size:12px;text-decoration:none;display:inline-block}.wd-back:hover{text-underline-offset:4px;text-decoration:underline}.wd-detail{max-width:760px;margin:auto}.wd-detail-header{text-align:center;border-bottom:1px solid var(--wd-line);padding:10px 0 28px}.wd-detail-header .wd-word-title{font:clamp(36px, 6vw, 58px)/1.5 var(--font-jp);letter-spacing:.05em;overflow-wrap:anywhere;margin:12px 0 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var(--font-jp)}.wd-part>span:last-child{color:var(--wd-muted);font-size:11px}.wd-explanation{background:var(--wd-paper);border:1px solid #e8ecdf;border-radius:10px;min-height:160px;padding:20px 24px}.wd-explanation-top{color:var(--wd-muted);justify-content:space-between;align-items:center;margin-bottom:12px;font-size:10px;display:flex}.wd-explanation-top button{border:1px solid var(--wd-line);width:32px;height:30px;color:var(--wd-ink);background:#fff;border-radius:5px;margin-left:5px}.wd-explanation h3{margin-bottom:8px;font-size:15px;font-weight:600}.wd-explanation p{color:#68725e;max-width:600px;font-size:12px;line-height:1.8}.wd-text-link{color:#476034;text-underline-offset:4px;background:0 0;border:0;margin-top:15px;padding:0;text-decoration:underline;font-size:11px!important}.wd-note{border-left:2px solid #b5c49f;margin-top:22px;padding:6px 18px}.wd-note>span{font-size:11px;font-weight:600}.wd-note p{color:var(--wd-muted);margin-top:5px;font-size:12px;line-height:1.9}.wd-detail-footer{border-top:1px solid var(--wd-line);justify-content:space-between;align-items:center;gap:15px;margin-top:28px;padding-top:22px;display:flex}.wd-detail-footer>a:first-child,.wd-practice-actions>a{color:#647355;font-size:12px;text-decoration:none}.wd-warning{color:#87623a;background:#fff6ec;border:1px solid #f0dfc9;border-radius:7px;margin-top:18px;padding:13px 16px;font-size:12px!important}.wd-custom{max-width:650px;margin:35px auto}.wd-custom h2{margin:10px 0;font-size:27px}.wd-custom>p{color:var(--wd-muted);max-width:550px;font-size:13px;line-height:1.9}.wd-custom form{margin-top:30px}.wd-custom label{margin-bottom:9px;font-size:11px;font-weight:600;display:block}.wd-custom-input{gap:10px;display:flex}.wd-custom-input input{min-width:0;font-family:var(--font-jp);border:1px solid #d9dfd0;border-radius:7px;flex:1;padding:12px 14px;font-size:18px}.wd-examples{flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;display:flex}.wd-examples>span{color:var(--wd-muted);margin-right:4px;font-size:11px}.wd-examples a{font:15px var(--font-jp);color:#5e6f4d;background:#f3f5ed;border-radius:5px;padding:6px 11px;text-decoration:none}.wd-empty{text-align:center;border:1px dashed var(--wd-line);border-radius:10px;margin-top:20px;padding:50px 20px}.wd-empty p{color:var(--wd-muted);margin:10px 0 20px;font-size:12px}.wd-rule-row{border-bottom:1px solid var(--wd-line);color:inherit;align-items:center;gap:24px;padding:25px 8px;text-decoration:none;display:flex}.wd-rule-row>span:first-child{color:#9aa58d;font-size:11px}.wd-rule-row>span:last-child{margin-left:auto}.wd-rule-row h3{font-size:15px;font-weight:550}.wd-rule-row p{color:var(--wd-muted);max-width:600px;margin-top:7px;font-size:11px}.wd-rule-row:hover{background:var(--wd-paper)}.wd-rule-detail{max-width:700px;margin:auto}.wd-rule-detail>.wd-back{display:block}.wd-rule-detail h1{font:600 29px/1.5 var(--font-sans);letter-spacing:-.6px;margin:12px 0 15px}.wd-rule-intro{color:#657257;font-size:15px;line-height:1.9}.wd-rule-detail ul{margin:15px 0;padding:20px 0 20px 21px}.wd-rule-detail li{margin-bottom:18px;font-size:13px;line-height:1.9}.wd-rule-examples{margin-top:15px}.wd-rule-examples a{border-bottom:1px solid var(--wd-line);color:inherit;align-items:center;gap:20px;padding:16px 0;text-decoration:none;display:flex}.wd-rule-examples strong{font:23px var(--font-jp)}.wd-rule-examples span{color:var(--wd-muted);font-size:12px}.wd-rule-examples a>span:last-child{margin-left:auto}.wd-practice{max-width:620px;margin:auto}.wd-practice-progress{color:var(--wd-muted);align-items:center;gap:15px;margin-bottom:35px;font-size:11px;display:flex}.wd-practice-progress>div{background:#ecf0e4;border-radius:5px;flex:1;height:4px;overflow:hidden}.wd-practice-progress>div>span{background:#6c8554;height:100%;display:block}.wd-practice h1{letter-spacing:-.7px;margin:10px 0 20px;font-size:24px;font-weight:600}.wd-question-word{background:#f6f8f1;border:1px solid #e5eadb;border-radius:12px;flex-direction:column;align-items:center;gap:10px;width:100%;margin-bottom:23px;padding:22px;display:flex}.wd-question-word>span:first-child{font:43px var(--font-jp)}.wd-question-word>span:last-child{color:var(--wd-muted);font-size:10px}.wd-answer-options{grid-template-columns:1fr 1fr;gap:10px;display:grid}.wd-answer-options>button{border:1px solid var(--wd-line);color:var(--wd-ink);text-align:left;background:#fff;border-radius:8px;flex-direction:column;align-items:flex-start;gap:5px;padding:17px;display:flex}.wd-answer-options strong{font-size:14px;font-weight:550}.wd-answer-options span{color:var(--wd-muted);font-size:11px}.wd-answer-options>button.is-selected{background:#f3f6ed;border-color:#536b3c}.wd-answer-options>button.is-correct{opacity:1;background:#f0f6e9;border-color:#729653}.wd-answer-options>button.is-wrong{opacity:1;background:#fff3ec;border-color:#c08a72}.wd-practice-feedback{color:var(--wd-muted);min-height:60px;padding:20px 0;font-size:12px}.wd-practice-feedback.correct{color:#5e7d43}.wd-practice-feedback.wrong{color:#a26742}.wd-practice-actions{justify-content:flex-end;align-items:center;gap:20px;display:flex}.wd-practice-actions>a{margin-right:auto}.wd-summary{text-align:center;max-width:600px;margin:auto;padding:70px 10px}.wd-summary h1{letter-spacing:-2px;margin:18px 0;font-size:52px;font-weight:550}.wd-summary p{color:var(--wd-muted);max-width:350px;margin:auto;font-size:13px}.wd-summary-actions{margin-top:25px}.wd-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=640px){.wd-page{padding-top:0}.wd-page-heading h1{font-size:26px}.wd-nav{gap:23px;margin:21px 0 25px}.wd-nav a{font-size:11px}.wd-library-heading{flex-direction:column;align-items:flex-start;gap:15px}.wd-library-heading h2{font-size:20px}.wd-library-heading p{font-size:11px}.wd-library-heading .wd-button{justify-content:space-between;width:100%}.wd-library-tools{flex-wrap:wrap}.wd-search{width:100%;max-width:none}.wd-word-row{grid-template-columns:minmax(100px,1fr) minmax(80px,1fr) 15px;gap:13px;padding:19px 6px}.wd-word-row>span:first-child{font-size:21px}.wd-rule-tag{display:none}.wd-list-meaning{font-size:11px}.wd-custom{margin:20px auto}.wd-custom h2{font-size:24px}.wd-custom-input{flex-direction:column}.wd-custom-input .wd-button{justify-content:space-between}.wd-custom-input input{min-height:50px}.wd-detail-header .wd-word-title{font-size:36px}.wd-parts{gap:8px}.wd-part{min-width:66px;max-width:110px;padding:9px}.wd-part strong{font-size:28px}.wd-explanation{min-height:190px;padding:18px}.wd-detail-footer{flex-wrap:wrap}.wd-detail-footer .wd-button{margin-left:auto}.wd-rule-detail h1{font-size:23px}.wd-rule-row{gap:14px;padding:21px 0}.wd-rule-row h3{font-size:13px}.wd-rule-row p{font-size:10px}.wd-practice h1{font-size:22px}.wd-answer-options>button{padding:15px 12px}.wd-answer-options strong{font-size:12px}.wd-question-word>span:first-child{font-size:36px}.wd-practice-actions .wd-button{gap:10px;font-size:11px!important}.wd-practice-actions>a{font-size:11px}.wd-summary h1{font-size:43px}}.pf-page{--pf-ink:#171916;--pf-muted:#737770;--pf-border:#e5e7e1;--pf-paper:#f7f8f4;max-width:1080px;color:var(--pf-ink);font-family:var(--font-sans);margin:0 auto;padding:12px 8px 32px;font-size:14px;line-height:1.5}.pf-page button,.pf-page input{font:inherit}.pf-page button{cursor:pointer}.pf-page button:disabled{cursor:wait;opacity:.6}.pf-page button,.pf-page input{transition:background .15s,border-color .15s,color .15s}.pf-eyebrow{letter-spacing:.15em;color:var(--pf-muted);font-size:10px;font-weight:700;line-height:1.4}.pf-page-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:23px;display:flex}.pf-sync{color:var(--pf-muted);align-items:center;gap:6px;font-size:11px;display:flex}.pf-sync i{background:#a37b42;border-radius:50%;flex-shrink:0;width:5px;height:5px}.pf-sync.is-saved i{background:#65805b}.pf-identity{justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;display:flex}.pf-identity-main{align-items:center;gap:18px;min-width:0;display:flex}.pf-seal{color:#fff;width:65px;height:65px;font-family:var(--font-jp);background:#20231e;border-radius:18px 18px 18px 5px;flex-shrink:0;place-items:center;font-size:34px;display:grid}.pf-identity-text{min-width:0}.pf-name-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.pf-name-row h1{font-family:var(--font-sans);letter-spacing:-1px;overflow-wrap:anywhere;font-size:28px;font-weight:650;line-height:1.2}.pf-level{border:1px solid var(--pf-border);color:var(--pf-muted);border-radius:5px;padding:3px 7px;font-size:10px}.pf-email{color:#555b51;overflow-wrap:anywhere;margin-top:5px;font-size:12px}.pf-joined{color:var(--pf-muted);margin-top:3px;font-size:11px;display:block}.pf-button{white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:12px;min-height:44px;padding:11px 17px;text-decoration:none;display:inline-flex;font-size:12px!important;font-weight:600!important}.pf-button-outline{border-color:var(--pf-border);color:var(--pf-ink);background:#fff}.pf-button-outline:hover{background:var(--pf-paper);border-color:#bbc0b4}.pf-button-dark{background:var(--pf-ink);color:#fff}.pf-button-dark:hover{background:#353b2d}.pf-button-light{color:#1e2419;background:#eef1e7}.pf-button-light:hover{background:#fff}.pf-notice{color:#3d5435;background:#f0f5eb;border-radius:8px;align-items:center;gap:9px;margin-bottom:16px;padding:12px 16px;font-size:12px;display:flex}.pf-notice button{color:inherit;background:0 0;border:0;margin-left:auto;display:flex}.pf-today{color:#fff;background:#20251d;border-radius:16px;grid-template-columns:1fr 230px;align-items:center;gap:30px;padding:35px 40px;display:grid;position:relative;overflow:hidden}.pf-today:after{content:"日";font:300px var(--font-jp);color:#ffffff03;pointer-events:none;position:absolute;top:-70px;left:55%}.pf-today-copy{z-index:1;position:relative}.pf-today .pf-eyebrow{color:#b5c1aa}.pf-today h2{font:500 clamp(25px, 3vw, 35px)/1.2 var(--font-sans);letter-spacing:-1.1px;text-wrap:balance;max-width:440px;margin:13px 0 12px}.pf-today p{color:#c0c6bb;max-width:360px;margin-bottom:25px;font-size:12px;line-height:1.8}.pf-next-label{color:#a9b2a1;margin-top:11px;font-size:10px;display:block}.pf-today-progress{z-index:1;flex-direction:column;align-items:center;gap:13px;display:flex;position:relative}.pf-ring{background:conic-gradient(#d3dfbd var(--pf-progress), #ffffff1c 0);border-radius:50%;width:162px;height:162px;padding:5px}.pf-ring>div{background:#20251d;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:2px;height:100%;display:flex}.pf-ring strong{letter-spacing:-1.5px;font-variant-numeric:tabular-nums;font-size:33px;font-weight:550}.pf-ring strong span{color:#a7b09f;letter-spacing:-.5px;font-size:18px;font-weight:400}.pf-ring>div>span{color:#bec7b5;font-size:11px}.pf-goal-caption{color:#b7c0ae;font-size:10px}.pf-ring-done{align-items:center;gap:4px;display:flex}.pf-ring-done svg{width:13px;height:13px}.pf-stats{border-bottom:1px solid var(--pf-border);grid-template-columns:repeat(4,1fr);margin:27px 0 37px;padding-bottom:26px;display:grid}.pf-stats>div{border-right:1px solid var(--pf-border);flex-direction:column;gap:6px;padding:0 22px;display:flex}.pf-stats>div:first-child{padding-left:0}.pf-stats>div:last-child{border:0;padding-right:0}.pf-stats>div>span{color:#60665c;font-size:11px}.pf-stats strong{letter-spacing:-.8px;font-variant-numeric:tabular-nums;font-size:25px;font-weight:550;line-height:1.3}.pf-stats em{color:#969b90;letter-spacing:0;font-size:14px;font-style:normal;font-weight:400}.pf-stats small{color:#878d81;font-size:10px}.pf-section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px;display:flex}.pf-section-heading h2,.pf-goal h2{font:600 21px/1.3 var(--font-sans);letter-spacing:-.65px;margin-top:6px}.pf-section-heading>p{color:var(--pf-muted);max-width:210px;font-size:10px}.pf-course-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.pf-course{text-align:left;border:1px solid var(--pf-border);background:#fff;border-radius:12px;align-items:center;gap:20px;padding:21px;display:flex}.pf-course:hover{background:var(--pf-paper);border-color:#afb6a5}.pf-course-symbol{font:37px var(--font-jp);background:var(--pf-paper);color:#4d5843;border-radius:8px;flex-shrink:0;place-items:center;width:58px;height:64px;display:grid}.pf-course-body{flex:1;min-width:0}.pf-course-title{justify-content:space-between;align-items:center;font-size:15px;font-weight:600;display:flex}.pf-course-title svg{color:#858e7c;width:17px}.pf-course-count{color:var(--pf-muted);justify-content:space-between;gap:12px;margin-top:9px;font-size:10px;display:flex}.pf-course-track{background:#e9ece5;border-radius:3px;height:3px;margin-top:11px;display:block;overflow:hidden}.pf-course-track>span{background:#687c55;height:100%;display:block}.pf-bottom-grid{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:30px;margin-top:38px;display:grid}.pf-collection{min-width:0}.pf-collection .pf-section-heading{margin-bottom:7px}.pf-count{background:var(--pf-paper);color:var(--pf-muted);vertical-align:middle;letter-spacing:0;border-radius:5px;margin-left:5px;padding:3px 7px;font-size:11px;font-weight:500}.pf-section-description{color:var(--pf-muted);font-size:11px}.pf-collection-tools{flex-wrap:wrap;align-items:center;gap:12px;margin:21px 0 17px;display:flex}.pf-filters{flex-wrap:wrap;gap:3px;display:flex}.pf-filters button{color:#777f70;background:0 0;border:0;border-radius:6px;align-items:center;gap:5px;min-height:34px;padding:7px 8px;font-size:10px;display:flex}.pf-filters button[aria-pressed=true]{color:var(--pf-ink);background:#eef0e9;font-weight:600}.pf-filters button:hover{background:var(--pf-paper)}.pf-filters button span{opacity:.6;font-size:9px}.pf-search{border:1px solid var(--pf-border);color:#909789;border-radius:7px;flex:1;align-items:center;gap:7px;min-width:120px;max-width:190px;min-height:34px;margin-left:auto;padding:0 9px;display:flex}.pf-search svg{flex-shrink:0;width:14px;height:14px}.pf-search:focus-within{border-color:#849475;box-shadow:0 0 0 2px #83997015}.pf-search input{background:0 0;border:0;outline:none;width:100%;min-width:0;font-size:11px}.pf-search button{color:inherit;background:0 0;border:0;padding:4px;display:flex}.pf-kana-grid{grid-template-columns:repeat(auto-fill,minmax(65px,1fr));gap:9px;display:grid}.pf-kana{border:1px solid 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